Toyota
Jeep Cherokee
 Service Manual
Brakes » Antilock brakes » Removal and installation
Rear wheel speed sensor

REMOVAL

(1) Raise and fold rear seat forward for access to rear sensor connectors (Fig. 7).

(2) Disconnect sensors at rear harness connectors.

(3) Push sensor grommets and sensor wires through floorpan.

(4) Raise vehicle.

(5) Disconnect sensor wires at rear axle connectors.

(6) Remove wheel and tire assembly.

Fig. 7 Acceleration Switch And Rear Sensor Connections
Fig. 7 Acceleration Switch And Rear Sensor Connections

1 - REAR SEAT CROSSMEMBER
2 - ACCELERATION SENSOR
3 - SENSOR MOUNTING BRACKET
4 - TO R. R. WHEEL SENSOR
5 - TO L. R. WHEEL SENSOR
6 - FLOORPAN
7 - SENSOR HARNESS

(7) Remove brake drum.

(8) Remove clips securing sensor wires to brake lines, rear axle and, brake hose.

(9) Unseat sensor wire support plate grommet.

(10) Remove bolt attaching sensor to bracket and remove sensor (Fig. 8).

INSTALLATION

(1) If original sensor is being installed, remove any remaining pieces of cardboard spacer from sensor pickup face. Use dry shop towel only to remove old spacer material.

(2) Insert sensor wire through support plate hole.

Then seat sensor grommet in support plate.

(3) Apply Mopar Lock N' Seal or Loctite t 242 to original sensor bolt. Use new bolt if original is worn or damaged.

(4) Install sensor bolt finger tight only at this time.

(5) If original rear sensor was installed, adjust sensor air gap to 0.92-1.275 mm (0.036-0.05 in.). Use feeler gauge to measure air gap (Fig. 9). Tighten sensor bolt to 13 N·m (115 in. lbs.).

(6) If new sensor was installed, push cardboard spacer on sensor face against tone ring (Fig. 10).

Fig. 8 Rear Wheel Speed Sensor
Fig. 8 Rear Wheel Speed Sensor

1 - TONE WHEEL
2 - WHEEL SPEED SENSOR

Fig. 9 Setting Air Gap On Original Rear Sensor

Fig. 9 Setting Air Gap On Original Rear Sensor

1 - WHEEL SPEED SENSOR
2 - BRASS FEELER GAUGE
3 - TONE RING

Then tighten sensor bolt to 13 N·m (115 in. lbs.). Correct air gap will be established as tone ring rotates and peels spacer off sensor face.

(7) Route sensor wires to rear seat area.

(8) Feed sensor wires through floorpan access hole and seat sensor grommets in floorpan.

(9) Verify that rear sensor wires are secured to rear brake hose and axle with clips. Verify that wire is clear of rotating components.

(10) Install brake drum and wheel and tire assembly.

(11) Lower vehicle.

(12) Connect sensor wire to harness connector.

Then reposition carpet and fold rear seat down.

    More about «Removal and installation»:

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